CVE-2019-9648
CoreFTP Directory Traversal
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a ....\ substring, allowing an attacker to enumerate file existence based on the returned information.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a ....\ substring, allowing an attacker to enumerate file existence based on the returned information.
- Record
CVE-2019-9648- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a ....\ substring, allowing an attacker to enumerate file existence based on the returned information.
- Record
CVE-2019-9648- Updated
- 2026-11-02
EUVDEUVD-2022-5474 No score
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a ....\ substring, allowing an attacker to enumerate file existence based on the returned information.
- Record
EUVD-2022-5474- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w393-h95m-f879
CoreFTP Directory Traversal
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.
- Record
GHSA-w393-h95m-f879- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-w393-h95m-f879
CoreFTP Directory Traversal
An issue was discovered in the SFTP Server component in Core FTP 2.0 Build 674. A directory traversal vulnerability exists using the SIZE command along with a \..\..\ substring, allowing an attacker to enumerate file existence based on the returned information.
- Record
GHSA-w393-h95m-f879- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
CoreFtpNuGet |
through 2.0 | None known |
CoreFtpNuGet |
through 2.0, plus listed versions 1.0.01.0.11.0.101.0.21.0.3 Show 28 moreShow less1.0.41.0.51.0.61.0.71.0.81.0.91.1.01.1.11.1.101.1.21.1.31.1.41.1.51.1.61.1.71.1.81.1.91.2.01.3.01.3.11.3.21.3.31.3.41.3.51.3.61.3.71.4.02.0.0 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Core FTP Server FTP / SFTP Server v2 Build 674 - 'SIZE' Directory Traversal | 2019-03-13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-9648 is a medium vulnerability (CVSS 5.3) in Coreftp Core Ftp, published March 22, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 14.3%, the 96th percentile. No source names a fixed version.